不常聯繫的人來電郵說完後又問："What's your private mobile phone #? Are you using iPhone, Blackberry, Nexus, or Samsung? Do you have iMessage, WhatsApp, Viber, Skype? Will get in touch with you more often." 其實都不是藉口嗎？且有點炫耀之嫌。真要常保持聯繫，電郵已足矣。
